ete LI dener Mapecr Mapecrete LI Har Hardener Mapecr Har
Surface treatment in liquid form with a consolidating effect for new or old concrete floors and concrete surfaces with a dry-shake hardener finishing
craft workshops, etc.) made from concrete and
Mapecrete LI Hardener is a watery solution of modified
flooring with cementitous dry-shake.
lithium silicates for treating the surface of cementitious substrates. It penetrates into the porosity and
• Surface protection of cementitious floors to increase
chemically reacts with the free lime in the cementitious
their resistance to abrasion, scratches and aesthetic
substrate to form a dense micro-structure which is
chemically durable and resistant to abrasion. After polishing, floors treated with Mapecrete LI Hardener,
• Final surface treatment after polishing concrete
are shinier, cleaner, dust-repellent and more resistant
• Dust-repellent treatment for industrial and civil floors.
WHERE TO USEMapecrete LI Hardener is suitable for new or old
industrial and civil cementitious floors. It has the
Mapecrete LI Hardener is an inorganic liquid which
capacity of closing the porosity of the cementitious
penetrates superficially into the porosity of cementitious
paste and, therefore, increasing the strength of the
materials and reacts with the lime which is normally
produced during the hydration phase of the cement to
This product is suitable for application on old floors
form highly-resistant, non-soluble lithium silicates which
to bring back shine, cleanliness and strength to the
increase the density and strengthen the cementitious
Mapecrete LI Hardener increases the durability
Mapecrete LI Hardener has been studied in the
of the floor through the beneficial effect of the lithium
MAPEI R&D laboratories. It is not a film-forming product
salts against the aggregate alkali reaction from
and, therefore, does not form a continuous layer on
which many floors suffer due to the effect of reactive
the surfaces treated. As a result, it is not subject to
Beyond better mechanical characteristics, cementitious
Mapecrete LI Hardener is a solution of modified lithium
floors treated with Mapecrete LI Hardener are more
silicates which are resistant to UV rays, which makes
resistant to aesthetic defects, such as efflorescence and
it suitable for application on both internal and external
surfaces. Mapecrete LI Hardener is made with lithium silicates
which penetrate more efficiently than other silicates
• Surface consolidation of industrial and civil floors
(e.g. sodium and potassium), and has a beneficial
(warehouses, shopping centres, car-parks, garages,
effect on the protection against the destructive reaction
571_mapecrete li hardener_gb (17.02.2012 - 6ª Bozza/Ciano/PDF)
of reactive aggregates by not contributing to
must be removed manually or with suitable
ete LI
the increase of the concentration of sodium
mechanical means and the treated surface
dener
After completing the application and drying
Mapecr Mapecrete LI Har Hardener Mapecr Har
• Non-filming treatment which chemically
following day before stepping on the surface,
even if the consolidating effect of the product
• Penetrates superficially to form strong,
• Reduces the formation of dust and keeps
• Increases the durability of floors.
0.2-0.4 kg/m² according to the level of
• Does not contain sodium or potassium
which may provoke damaging alkali-aggregate reactions.
• Compatible with the environment and is not
Mapecrete LI Hardener may be stored for up to 12 months in its original packaging
• Do not apply Mapecrete LI Hardener on
dusty and/or crumbling or flimsy substrates.
hazardous according to current standards
• Before applying Mapecrete LI Hardener,
and regulations regarding the classification of
mixtures. It is however recommended to use
gloves, eyes protection and to take the usual
• Do not use Mapecrete LI Hardener for
sealing cracks and protect treated surfaces
For further and complete information about
the safe use of our product please refer to our latest version of the Material Safety
Mapecrete LI Hardener may be applied on both polished or with a dry-shake hardener
surfaces, such as Mapetop N AR6, and after cutting the joints where required. If the
product is applied on surfaces which are
already cured, the treatment may be carried
recommendations contained in this product
data sheet correspond to the best of our
Concrete surfaces including those with a
dry-shake hardener such as Mapetop N AR6
information must, in every case, be taken as
merely indicative and subject to confirmation
sound, perfectly clean, dry and free of all
after long-term practical application: for
traces of dust, film-forming anti-evaporation
this reason, anyone who intends to use the
products, grease, oil and any other substance
product must ensure beforehand that it is
suitable for the envisaged application: in
consolidating liquid from penetrating.
every case, the user alone is fully responsible
for any consequences deriving from the use
spraying it on the surface to be treated with
a low pressure pump or poured directly on
Please refer to the current version of the
the floor and then immediately spread out in
Technical Data Sheet, available from our
an even coat. In both cases, the part of the
floor treated must be kept constantly wet for at least 20-30 minutes with Mapecrete LI Hardener to allow it to penetrate into the substrate. During this phase, it is very important that there are no dry and wet
At the end of the phase when the surface
is kept constantly wet, any excess liquid
Ion chloride content - minimum requirement ≤ 0.05%– according to EN 1015-17 (%):
Hazard classification according to EC 1999/45:
none. Before using refer to the “Safety instructions for preparation and application” paragraph and the information on the packaging and Safety Data Sheet
Minimum waiting time for the product to penetrate:
ete LI dener Mapecr Mapecrete LI Har Hardener Mapecr Har
here is prohibited and subject to prosecution
Any reproduction of texts, photos and illustrations published
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